Low viscosity diesel engine oil composition with improved fuel efficiency
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United States of America Patent
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Jul 21, 2015
Grant Date -
Feb 2, 2012
app pub date -
Nov 4, 2010
filing date -
Jul 29, 2010
priority date (Note) -
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Abstract
The present invention provides an engine oil composition containing polymethylacrylate, zinc alkyldithiophosphate, molybdenum dithiocarbamate, a hindered phenol antioxidant, and a fixed mineral oil. The engine oil composition of the present invention has a low-temperature viscosity The fuel efficiency of the engine oil is improved, when the engine oil composition with an improved low-temperature performance, a maintained high-temperature viscosity, an improved wear resistance, and an improved oxidation resistance is used. Further, the durability of the engine oil can also be ensured when the engine oil composition of the present invention is used.
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